Haier air error codes

Haier air conditioners break down as all household appliances. However, you will easily determine malfunction codes and all possible errors using the table provided in the page of our site. The algorithm of operation of air conditioners of the make Haier is simple enough. If one conducts all the repair work consistently, involving error codes chart, the result is simply bound to be positive.

Haier HSU09VHG(DB)-W Service air error codes

IndoorOutdoor (LED1 flash times)Description
Indoor & OutdoorE715Communication fault between indoor and outdoor units
Indoor MalfunctionE1/Room temperature sensor failure (error solution E1)
E2/Heat-exchange sensor failure (error solution E2)
E4/Indoor EEPROM error
E14/Indoor fan motor malfunction
Outdoor MalfunctionF121Outdoor EEPROM error
F12The protection of IPM
F223Over current protection of AC electricity for the outdoor model
F34Communication fault between the IPM and outdoor PCB
F196Power voltage is too high or low
F277Compressor has a locked rotor or stopped momentary
F48Overheat protection for exhaust temperature
F89Outdoor DC fan motor fault
F2110Frost-removing temperature sensor failure
F711Suction temperature sensor failure
F612Ambient temperature sensor failure
F2513Exhaust temperature sensor failure
F1118Deviate from the normal for the compressor
F2819Loop of the station detect error
F224Over current of the compressor
F2325Over current protection for single-phase of the compressor
F3639Middle part of condenser temperature sensor failure

Haier HSU-12HSA03 air error codes

IndoorOutdoorPossible Reasons
E1/1) Room temperature sensor (error solution E1)
2) Indoor PCB
E2/1) Heat-exchange sensor (error solution E2)
2) indoor PCB
F21With the malfunction, LED1 on the outdoor mainboard blinks 10 times at frequency of 1 Hz1) Defrosting temperature sensor
2) Outdoor PCB
F25With the malfunction, LED1 on the outdoor mainboard blinks 13 times at frequency of 1 Hz1) Exhaust temperature sensor
2) Outdoor PCB
F6With the malfunction, LED1 on the outdoor mainboard blinks once at 12 times of 1 Hz and interval of 2 seconds or so.1) Ambient temperature sensor
2) Outdoor PCB
E7With the malfunction, LED1 on the outdoor mainboard blinks 15 times1 )The outdoor mainboard needs dehumidification
2) The outdoor mainboard needs dehumidification
3)The linking cable between the indoor and outdoor units is not well connected or the core wires are not well insulated 4)The indoor PCB might be broken
5) The outdoor PCB might be broken
6) The SPDU might be broken
F11With the malfunction, LED1 on the outdoor mainboard blinks17or18 times at frequency of 1 Hz1) The wiring of compressor is incorrect or the connection is poor
2) The SPDU might be broken
3) Compressor might be damaged.
F4With the malfunction, LED1 on the outdoor mainboard blinks 8 times at frequency of 1 Hz1) The cryogen may have been leaked during installation, or there may be leakage in the piping system.
2) Exhaust temperature sensor is broken
3) The outdoor mainboard is damaged and needs be replaced
F22With this malfunction, LED1 on the outdoor mainboard blinks 3 times.1 )The SPDU is broken
2) The power supply is not good
3) The system may have been over or under charged with gas
F1With the malfunction, LED1 on the outdoor mainboard blinks 2 times at frequency of 1 Hz1) IPM Module might be poorly radiated
2) IPM Module might be broken
3)Compressor might be broken
E9With the malfunction, LED1 on the outdoor mainboard blinks 21 times at frequency of 1 Hz1 )Check whether the indoor unit blows poorly due to blocked filters or poor condition of the fan
2) The system is overcharged with gas
3) Temperature of coil pipes on the indoor unit too high
E4.F12With outdoor EEPROM, LED1 on the outdoor mainboard blinks once at frequency of 1 Hz1) E4 the indoor PCB might be damaged
2) F12 the outdoor PCB might be damaged
E14/1) Whether Terminal CN2 on the indoor mainboard is well inserted or not?
2) The indoor mainboard is damaged
3) The motor of the indoor unit is damaged
F8With the malfunction, LED1 on the outdoor mainboard blinks 9 times at frequency of 1 Hz1) The installation on terminal CN2 might be not good
2) The mainboard of the indoor unit is damaged
3) The motor of the Outdoor unit is damaged
F3With the malfunction, LED1 on the outdoor mainboard blinks 4 times at frequency of 1 Hz1) The connection between IPM and the outdoor PCB might be not good
2) The mainboard of the outdoor unit is damaged
3) The IPM module is damaged
F19With the malfunction, LED1 on the outdoor mainboard blinks 6 times at frequency of 1 Hz1) The IPM module is damaged
2) Check power supply
3) The reactor of outdoor is damage
4) The rectifying bridge or IPM module is damage
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